Illustrated Companion to the Latin Dictionary/Coticula

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

COTIC'ULA. Diminutive of Cos; a touch-stone for assaying gold and silver. Plin. H. N. xxxiii. 43.

2. A small mortar, made of the same hard kind of stone as that used for hones and grindstones. Plin. H. N. xxxi. 45. Id. xxxvii. 54. Isidor. Orig. iv. 11.